More Durable UV Coating For Solar Panels Made From Red Onion Skins

Long-time Slashdot reader fahrbot-bot shared this report from ZME Science
Researchers from the University of Turku, in collaboration with Aalto University and Wageningen University, have developed a bio-based UV protection film for solar cells that not only blocks nearly all harmful ultraviolet light but also outperforms commercial plastic films. The key ingredient is a water extract made from red onion skins…

[T]he same sunlight that powers [solar cells] can also degrade…